diff --git a/samples/agentic-knowledge-discovery/requirements-dev.txt b/samples/agentic-knowledge-discovery/requirements-dev.txt
index f310b7a..70a9ffa 100644
--- a/samples/agentic-knowledge-discovery/requirements-dev.txt
+++ b/samples/agentic-knowledge-discovery/requirements-dev.txt
@@ -1,4 +1,4 @@
 ruff==0.14.1
-aws-cdk-lib==2.220.0
+aws-cdk-lib==2.253.0
 constructs==10.0.79
 pyyaml==6.0.1
\ No newline at end of file